CRF 50 Big Bore 88 V1 Bundle

This kit includes everything to make you stock 50 into a ripper, over doubling horsepower output to about 6.5 hp.

This kit makes the most reliable big bore power for the 50, putting the torque and power in the mid range vs the TB v2 which is less reliable and favors the top end.

Includes:

88cc piston/jug/rings/pin

TB v1 Race head

20mm Carburetor with intake

Hi Volume Oil Pump

TB CDI

Necessary gaskets